<template>
  <div class="cartcontrol">
    <div class="cart-decrease" v-show="food.count>0" @click.stop.prevent="decreaseCart" transition="move">
      <span class="icon-remove_circle_outline inner"></span>
    </div>
    <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click.stop.prevent="addCart"></div>
  </div>
</template>

<script>
  import Vue from 'vue';
  export default {
    name: "cartcontrol",
    props: {
      food: {
        type: Object
      }
    },
    created() {

    },
    methods: {
      decreaseCart(event){
        if (!event._constructed) {
          return;
        }
        if(this.food.count){
          this.food.count--;
        }
      },
      addCart(event) {
        if (!event._constructed) {
          return;
        }
        if (!this.food.count) {
          // return this.food.count = 1;
          Vue.set(this.food,'count',1);
        } else {
           this.food.count++;
        }
        this.$dispatch('cart.add', event.target);
      }
    }
  }
</script>
<style scoped lang="stylus" rel="stylesheet/stylus">
  .cartcontrol
    font-size 0
    .cart-decrease
      display inline-block
      padding 6px
      transition all 0.4s linear
      &.move-transition
        opacity 1
        transform  translate3d(0,0,0)
        .inner
          display inline-block
          line-height 24px
          font-size 24px
          color: rgb(0, 160, 220)
          transition all 0.4s linear
          transform rotate(0)
      &.move-enter,&.move-leave
        opacity 0
        transform translate3d(24px,0,0)
        .inner
          transform rotate(180deg)
    .cart-count
      display inline-block
      vertical-align top
      width: 12px
      padding-top 6px
      line-height 24px
      text-align center
      font-size 10px
      color rgb(147,153,159)
    .cart-add
      display inline-block
      line-height 24px
      font-size 24px
      padding 6px
      color: rgb(0, 160, 220)
</style>
